SIP Status Reports
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Status of Oregon Designated Areas
Status of Oregon Designated Areas
Oregon Areas by NAAQSNOTE: As of 03/12/2021, these reports are no longer being updated. For the latest information, see the SIP Status Tools.
Jump to Oregon section for: CO (1971) Lead (1978) Lead (2008) NO2 (1971) Ozone-1Hr (1979) Ozone-8Hr (1997) Ozone-8Hr (2008) Ozone-8Hr (2015) PM-10 (1987) PM-2.5 (1997) PM-2.5 (2006) PM-2.5 (2012) SO2 (1971) SO2 (2010)
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Oregon CO (1971) Areas Return to map |
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| Click on the Area name to view SIP Required Elements Area |
Status | Designation Date |
Classification | 2010 Population (state portion) |
Meets NAAQS Basis |
Design Value Annual (ppm) (entire area) |
Meets NAAQS |
SIP Requirements Original/ Approved |
Clean Air Determination Citation Effective Date Click to view FR notice |
Redesignation Request Date |
Redesignation Citation Effective Date Click to view FR notice |
| Eugene-Springfield Area | Maintenance | 11/15/1990 | Not Classified | 234,972 | 2019 | No Data | 1 / 1 | |
12/06/1993 | 02/04/1994 58 FR 64161 |
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| Grants Pass Area | Maintenance | 11/15/1990 | Moderate <= 12.7ppm | 22,449 | 2019 | No Data | 4 / 4 | |
11/10/1999 | 10/30/2000 65 FR 52932 |
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| Klamath Falls Area | Maintenance | 01/06/1992 | Moderate <= 12.7ppm | 20,703 | 2019 | No Data | 4 / 4 | |
11/20/2000 | 11/19/2001 66 FR 48349 |
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| Medford Area | Maintenance | 11/15/1990 | Moderate <= 12.7ppm | 86,056 | 2019 | No Data | 5 / 5 | |
06/02/2001 | 09/23/2002 67 FR 48388 |
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| Portland Area: Portland Metro Service District Boundary | Maintenance | 11/15/1990 | Moderate <= 12.7ppm | 1,330,473 | 2019 | No Data | 5 / 5 | |
09/09/1996 | 10/02/1997 62 FR 46208 |
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| Salem Area | Maintenance | 11/15/1990 | Not Classified | 156,100 | 2019 | No Data | 1 / 1 | |
08/09/2007 | 03/02/2009 73 FR 79655 |
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Oregon Lead (1978) Areas Return to map Top of page |
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| No designated areas for this pollutant. | |||||||||||
Oregon Lead (2008) Areas Return to map Top of page |
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| No designated areas for this pollutant. | |||||||||||
Oregon NO2 (1971) Areas Return to map Top of page |
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| No designated areas for this pollutant. | |||||||||||
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Oregon Ozone-1Hr (1979) Areas Return to map Top of page |
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| Click on the Area name to view SIP Required Elements Area |
Status | Designation Date |
Classification | 2010 Population (state portion) |
Meets NAAQS Basis |
Design Value Annual (ppm) (entire area) |
Meets NAAQS |
SIP Requirements Original/ Approved |
Clean Air Determination Citation Effective Date Click to view FR notice |
Redesignation Request Date |
Redesignation Citation Effective Date Click to view FR notice |
| Portland-Vancouver AQMA Area | Maintenance (NAAQS revoked) | 11/15/1990 | Marginal | 1,261,370 | 2017-2019 | 0.091 | Yes | 4 / 4 | |
09/09/1996 | 06/18/1997 62 FR 27204 |
Oregon Ozone-8Hr (1997) Areas Return to map Top of page |
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| No designated areas for this pollutant. | |||||||||||
Oregon Ozone-8Hr (2008) Areas Return to map Top of page |
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| No designated areas for this pollutant. | |||||||||||
Oregon Ozone-8Hr (2015) Areas Return to map Top of page |
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| No designated areas for this pollutant. | |||||||||||
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Oregon PM-10 (1987) Areas Return to map Top of page |
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| Click on the Area name to view SIP Required Elements Area |
Status | Designation Date |
Classification | 2010 Population (state portion) |
Meets NAAQS Basis |
Average Estimated Exceedances (est. exc.) (entire area) |
Meets NAAQS |
SIP Requirements Original/ Approved |
Clean Air Determination Citation Effective Date Click to view FR notice |
Redesignation Request Date |
Redesignation Citation Effective Date Click to view FR notice |
| Jackson County; Medford-Ashland (including White City) | Maintenance | 11/15/1990 | Moderate | 87,458 | 2017-2019 | 2.0 | No | 3 / 3 | 08/18/2006 71 FR 35163 |
03/10/2005 | 08/18/2006 71 FR 35163 |
| Josephine County; Grants Pass | Maintenance | 11/15/1990 | Moderate | 22,449 | 2017-2019 | No Data | 3 / 3 | |
11/12/2002 | 12/26/2003 68 FR 61111 |
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| Klamath County; Klamath Falls | Maintenance | 11/15/1990 | Moderate | 20,703 | 2017-2019 | Insufficient Data | 3 / 3 | |
11/12/2002 | 12/22/2003 68 FR 60036 |
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| Lake County (part); Lakeview | Maintenance | 10/24/1993 | Moderate | 3,296 | 2017-2019 | No Data | 3 / 3 | 07/19/2006 71 FR 35159 |
10/25/2005 | 07/19/2006 71 FR 35159 |
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| Lane County (part); Oakridge | Nonattainment | 01/20/1994 | Moderate | 3,728 | 2017-2019 | 1.3 | No | 3 / 3 | 09/24/2001 66 FR 38947 |
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| Lane County; Eugene/Springfield | Maintenance | 11/15/1990 | Moderate | 195,160 | 2017-2019 | 0.7 | Yes | 3 / 3 | 06/10/2013 78 FR 21547 |
01/13/2012 | 06/10/2013 78 FR 21547 |
| Union County; LaGrande | Maintenance | 11/15/1990 | Moderate | 13,094 | 2017-2019 | Insufficient Data | 3 / 3 | 07/19/2006 71 FR 35161 |
10/25/2005 | 07/19/2006 71 FR 35161 |
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Oregon PM-2.5 (1997) Areas Return to map Top of page |
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| No designated areas for this pollutant. | |||||||||||
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Oregon PM-2.5 (2006) Areas Return to map Area designated nonattainment for the 24-hour standard Top of page |
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| Click on the Area name to view SIP Required Elements Area |
Status | Designation Date |
Classification | 2010 Population (state portion) |
Meets NAAQS Basis |
Design Value 24-Hr (µg/m3) (entire area) |
Meets NAAQS |
SIP Requirements Original/ Approved |
Clean Air Determination Citation Effective Date Click to view FR notice |
Redesignation Request Date |
Redesignation Citation Effective Date Click to view FR notice |
| Klamath Falls | Nonattainment | 12/14/2009 | Moderate | 46,969 | 2017-2019 | 78 | No | 8 / 8 | 07/06/2016 81 FR 36176 |
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| Oakridge | Nonattainment | 12/14/2009 | Moderate | 4,261 | 2017-2019 | 52 | No | 8 / 8 | 03/12/2018 83 FR 5537 |
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Oregon PM-2.5 (2012) Areas Return to map Top of page |
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| No designated areas for this pollutant. | |||||||||||
Oregon SO2 (1971) Areas Return to map Top of page |
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| No designated areas for this pollutant. | |||||||||||
Oregon SO2 (2010) Areas Return to map Top of page |
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| No designated areas for this pollutant. | |||||||||||
| We have made our best effort to ensure that the data contained in these reports is accurate. We note that there may be brief delays in
updating the reports as we receive new state submissions and we take rulemaking action on plans. In order to assist us in providing
accurate information, we request that you contact us by clicking on the "Contact Us" link near the top of this page with any comments
regarding or corrections to the posted information, including concerns about whether the entries reflect the most recent status. Current and historical design value data can be found on the EPA Air Quality Design Values website and the EPA Green Book contains comprehensive nonattainment area, designation status, and historical information. The level of the 1-hour NAAQS for sulfur dioxide is 75 parts per billion (ppb) calculated as the 3-year average of the 99th percentile of the annual distribution of daily maximum 1-hour average concentrations. |